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From "Daniel Dai (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2317) Ruby/Jruby UDFs
Date Tue, 27 Mar 2012 07:47:51 GMT

    [ https://issues.apache.org/jira/browse/PIG-2317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13239288#comment-13239288
] 

Daniel Dai commented on PIG-2317:
---------------------------------

e2e tests run for me. However, one other test which runs before fail:

register 'udf2.rb' using jruby as myfuncs;
a = load 'student.txt' using PigStorage() as (name, age:int, gpa:double);
b = foreach a generate myfuncs.squaresquare(age);
dump b;

udf2.rb:
require 'pigudf'
require 'morerubyudfs'

class TestUDFs < PigUdf
    def squaresquare(num)
        return Myudfs.square(num)**2 if num
    end
end

morerubyudfs.rb:
require 'pigudf'
class Myudfs < PigUdf
    def Myudfs.square(num)
        return num**2 if num
    end

    def Myudfs.cube(num)
        return num**3 if num
    end
end

libsToShip() get morerubyudfs.rb as relative path before, but now I get absolute path. I will
trace more tomorrow.
                
> Ruby/Jruby UDFs
> ---------------
>
>                 Key: PIG-2317
>                 URL: https://issues.apache.org/jira/browse/PIG-2317
>             Project: Pig
>          Issue Type: New Feature
>            Reporter: Jacob Perkins
>            Assignee: Jonathan Coveney
>            Priority: Minor
>              Labels: 0.10_blocker
>             Fix For: 0.10, 0.11
>
>         Attachments: PIG-2317-10.patch, PIG-2317-10_plus.patch, PIG-2317-11.patch, PIG-2317-12.patch,
PIG-2317-13.patch, PIG-2317-13.patch, PIG-2317-13.patch, PIG-2317-8.patch, PIG-2317-8_plus.patch,
PIG-2317-9.patch, PigUdf.rb, PigUdf.rb, jruby_scripting.patch, jruby_scripting_2_real.patch,
jruby_scripting_3.patch, jruby_scripting_4.patch, jruby_scripting_5.patch, jruby_scripting_6.patch,
jruby_scripting_7.patch, pigjruby.rb, pigjruby.rb, pigjruby.rb, pigudf.rb
>
>
> It should be possible to write UDFs in Ruby. These UDFs will be registered in the same
way as python and javascript UDFs.

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